__author__ = 'Administrator'

t = 12345, 54321, 'hello'

print(t, t[0])

u = t, (1, 2, 3, 4, 5)

print(u)

# t[0] = 9999


v = ([1, 2, 3], [3, 2, 1])

print(v)

v[0][0] = 9
print(v)

empty = ()
singleton = 'hello',  # <-- note trailing comma
print(len(empty))

print(len(singleton))

print(singleton)
